Ask him to do a half-marathon, and he’ll probably give a “heh — sure, no problem” smirk.

Edgar has been in seven consecutive five-round title fights. Six went all 25 minutes, and a seventh went deep into the fourth round. Edgar, though, isn’t alone with that type of long-distance distinction. Welterweight champ Georges St-Pierre is known for going five rounds, too, and has done so in seven of his last eight bouts.

But there tends to be little doubt after St-Pierre’s fights as to whose hand will be raised. When Edgar is involved, things are a lot less clear. And for three consecutive title fights — two at lightweight, where he is a former champ, and his most recent at 145 pounds — the close bouts haven’t gone his way.

Edgar hardly could be blamed after back-to-back losses to Benson Henderson in 2012 and a featherweight title loss to Jose Aldo in February if he just threw up his hands, shook his head and said, “What more can I do?”

“There are definitely times you want to feel sorry for yourself, but I’m not one to feel sorry for myself,” Edgar told MMAjunkie.com (www.mmajunkie.com). “You kind of take it for what it is and move forward. Sometimes it’s just catching a break, but I take those fights in my own hands, and I’ve got to do something about it. If I was a little more dominant in some of those rounds, it wouldn’t be a question. But sometimes luck does have to fall on your side.”

For the first time in more than three-and-a-half years, Edgar (15-4-1 MMA, 9-4-1 UFC) has been training for a three-round fight. The New Jersey native meets Brazilian jiu-jitsu black belt Charles Oliveira (16-3 MMA, 4-3 UFC) in the co-main event of Saturday’s UFC 162 in Las Vegas (pay-per-view, 10 p.m. ET).

And it’s those seven consecutive fights into the championship rounds that could have Edgar feeling plenty fresh if his fight with Oliveira gets into the third round.

“When you’re fighting a five-round fight, you have to spar six or seven (rounds) sometimes in training,” Edgar says. “Now, for a three-round fight, you spar four or five. So it’s a little easier on my body, I guess you could say. I think it is an advantage knowing I can get into those championship rounds (and) knowing that I’ve been there and I’ve responded well in all of my championship rounds.”

Edgar won the lightweight title from MMA legend B.J. Penn in April 2010, then defended it against him later that year. He fought Gray Maynard to a split draw in January 2011 and then stopped him with a fourth-round TKO in their rematch.

But against Henderson in February 2012, he lost the belt via unanimous decision in a bout many observers thought he won. Their rematch ended in a split decision for Henderson, though again many either scored it for Edgar or as a draw. The Aldo fight was fairly close, too.

A win vs. Oliveira might not have him knocking on the door of a featherweight title shot again right away, but Edgar has to start somewhere.

“I’m just going to fight whoever the UFC wants me to,” he said. “I’ve never picked opponents, and I’m not going to start now. I obviously want to fight guys who are going to get me into that title hunt. So whatever it is, if it’s (more) wins, if it’s (better) opponents, I’m down to do.”

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